could chuck
Verbo regular: chuck - chucked- chucked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could chuck
you could chuck
she could chuck
we could chuck
you could chuck
they could chuck 	I could be chucking
you could be chucking
she could be chucking
we could be chucking
you could be chucking
they could be chucking	I could have chucked
you could have chucked
she could have chucked
we could have chucked
you could have chucked
they could have chucked	I could have been chucking
you could have been chucking
she could have been chucking
we could have been chucking
you could have been chucking
they could have been chucking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't chuck
you couldn't chuck
she couldn't chuck
we couldn't chuck
you couldn't chuck
they couldn't chuck 	I couldn't be chucking
you couldn't be chucking
she couldn't be chucking
we couldn't be chucking
you couldn't be chucking
they couldn't be chucking	I couldn't have chucked
you couldn't have chucked
she couldn't have chucked
we couldn't have chucked
you couldn't have chucked
they couldn't have chucked	I couldn't have been chucking
you couldn't have been chucking
she couldn't have been chucking
we couldn't have been chucking
you couldn't have been chucking
they couldn't have been chucking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I chuck?
could you chuck?
could she chuck?
could we chuck?
could you chuck?
could they chuck? 	could I be chucking?
could you be chucking?
could she be chucking?
could we be chucking?
could you be chucking?
could they be chucking? 	could I have chucked?
could you have chucked?
could she have chucked?
could we have chucked?
could you have chucked?
could they have chucked? 	could I have been chucking?
could you have been chucking?
could she have been chucking?
could we have been chucking?
could you have been chucking?
could they have been chucking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I chuck?
couldn't you chuck?
couldn't she chuck?
couldn't we chuck?
couldn't you chuck?
couldn't they chuck? 	couldn't I be chucking?
couldn't you be chucking?
couldn't she be chucking?
couldn't we be chucking?
couldn't you be chucking?
couldn't they be chucking? 	couldn't I have chucked?
couldn't you have chucked?
couldn't she have chucked?
couldn't we have chucked?
couldn't you have chucked?
couldn't they have chucked? 	couldn't I have been chucking?
couldn't you have been chucking?
couldn't she have been chucking?
couldn't we have been chucking?
couldn't you have been chucking?
couldn't they have been chucking?